//ToDos.java

import java.util.LinkedList;
import java.util.Deque;

public class ToDos
{
    public static void main(String[] args)
    {
        Deque<String> toDo = new LinkedList<String>();

        toDo.addFirst("groceries");
        toDo.addFirst("homework");
        toDo.addFirst("laundry");
        toDo.removeFirst();

        System.out.println("1. " + toDo.removeFirst());
    }
}